Captivity and began a breeding population in chesapeake bay

Assignment Help Biology
Reference no: EM13746968

In 1962, five mute swans escaped from captivity and began a breeding population in Chesapeake bay. Today, there are over 4,000 mute swans living in the bay. each hear they eat approximately 10.5 million pounds of aquatic grasses. These grasses provide habitat for waterfowl and crustaceans, improve water quality, decrease erosion, and increase dissolved oxygen concentration in the bay. The swan are also aggressively territorial, and have been drive native birds such as tundra swans and black ducks from feeding and roosting areas.
Analyze the situation described. Then explain which of the following ecological principles could be active in each particular situation. Ecological principles: coevolution, realized niche, fundamental niche, tolerance, competitive exclusion, resource partitioning, character displacement, top-down versus bottom-up controls, trophic structure or trophic levels, keystone species, competition, disturbance 

Reference no: EM13746968

Questions Cloud

Determine the liability for gift certificates : Determine the liability for gift certificates to be reported in the December 31, 2013 balance sheet. What is the appropriate classification (current or noncurrent) of the liabilities at December 31, 2013?
Do you agree with the inquisitors interrogation of veronese : Do you agree with the Inquisitor's interrogation of Veronese about his painting, originally titled Last Supper? Or, do you side with Veronese? Explain your response.
Calculate the revenues for riley co. for apri : During the month of April, Riley Co. had cash receipts from customers of $680,000. Expenses totaled $624,000, and accrual basis net income was $168,000. There were no gains or losses during the month.
Account for a short-term note payable : (Learning Objective 1: Account for a short-term note payable) Gordon Sports Authority purchased inventory costing $11,000 by signing a 12% short-term note payable. The purchase occurred on July 31, 2012. Gordon pays annual interest each year on July ..
Captivity and began a breeding population in chesapeake bay : In 1962, five mute swans escaped from captivity and began a breeding population in Chesapeake bay. Today, there are over 4,000 mute swans living in the bay. each hear they eat approximately 10.5 million pounds of aquatic grasses. These grasses provid..
Explain the punctured drum being a strong oxidizer : What hazardous situations are you and your team facing? If you need to, you can differentiate these situations depending on the punctured drum being a strong oxidizer, strong acid, or strong base. Develop a brief priority list and a brief action l..
About the dental plan insurance : Jim Haught, D.D.S., opened an incorporated dental practice on January 1, 2014. During the first month of operations, the following transactions occurred. Performed services for patients who had dental plan insurance. At January 31, $930 of such servi..
What is the ending balance in retained earnings : The income statement for the Four Oaks Golf Club Inc. for the month ended July 31 shows Service Revenue $17,410; Salaries and Wages Expense $8,770; Maintenance and Repairs Expense $4,180; and Income Tax Expense $1,080. What is the ending balance in R..
What is the amount of their itemized deductions : Marry and Max had adjusted gross income of 358000. They have itemized deductions of $20,000 consisting of $8,000 in medical expenses that exceed 10% of adjusted gross income, $3,000 in property taxes, $4000 in housing interest, and $5000 in miscellan..

Reviews

Write a Review

 

Biology Questions & Answers

  Describe the mechanism of elisa

Describe the mechanism of ELISA. Why is ELISA so sensitive? Why is it necessary to block unoccupied binding sites in the microtiter wells? Why is it important to have a positive control?

  How is dextran synthesis important in oral hygiene

Although dextran is a glucose polymer, glucose cannot be used tomake dextran. Explain.? How is dextran synthesis important in oral hygiene?

  Germ layers-endoderm-ectoderm and mesoderm

Do all organisms on the table have 3 germ layers (endoderm,ectoderm and mesoderm)? If not, which Phyla have fewer than three germ layers?

  Explain how the concept of the cell has changed over the

please answer each of the following questions. please ensure that your responses are at least 3 to 5 sentences in

  Explain why the membrane potential between the axon hillock

Explain why the membrane potential between the axon hillock and axon either changed or did not change with sub threshold stimulus?

  Compute total distance traveled in and speed of diffusion

When doing the diffusion lab where you add blue and red dye to the corn syrup. Estimate the molecular weight of the blue and red dye compute the total distance traveled in (mm) and the speed of diffusion (mm/hr)?

  Calculate the activity coefficient of the water

At 45C, the vapor pressure of water for a glucose solution in which the mole fraction of glucose is 0.080 is 65.76 mmHG. Calculate the activity and activity coefficient of the water in the solution.

  Draw the structure of carbohydrates

The structure and composition of glycoproteins determines the A, B and O blood groups in humans. Explain how this happens and draw the structure of carbohydrates attached to the blood antigen O in the Haworth projection, showing the correct glycos..

  Which population of vesicles has a surface similar cell

Which population of vesicles has a surface similar to that of the cell? Why?

  Endosymbiotic origin of plastids and mitochondria

Which statement below isnotan argument for the endosymbiotic origin of plastids and mitochondria?

  Explain classical transcription activators like gal4p

Suggest two ways Rap1p might function so that it is necessary for transcription of Rap1pdependent genes. Please use diagrams to show how it might work.

  Describe how c4 plants are able to fix carbon dioxide

Describe how C4 plants are able to fix carbon dioxide in the process of photosynthesis with little or no photorespiration in the heat of summer, while C3 plants have significant amounts of photorespiration under similar conditions.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd